Math

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3 men and 4 boys can do a piece of work in14 days , while 4 men and 6 boys do the same work in 10 days . How long would it take one man to finish the same work?

  • Math -

    1/14 = 3/m + 4/b
    1/10 = 4/m + 6/b

    m = 70
    b = 140

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